Fix incorrect preview of italic subtitles (#728).

This requires fonts to be configured with their italic versions so
that the italic font can be given to FontConfig and hence used to
render text.  Bold font configuration is also added here although
bold subtitles aren't yet supported.

1 files changed, 32 insertions, 0 deletions

diff --git a/src/lib/font_files.cc b/src/lib/font_files.cc
new file mode 100644
index 000000000..65b67f7b3
--- /dev/null
+++ b/src/lib/font_files.cc
@@ -0,0 +1,32 @@
+/*
+    Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "font_files.h"
+
+bool
+operator!= (FontFiles const & a, FontFiles const & b)
+{
+	for (int i = 0; i < FontFiles::VARIANTS; ++i) {
+		if (a.get(static_cast<FontFiles::Variant>(i)) != b.get(static_cast<FontFiles::Variant>(i))) {
+			return false;
+		}
+	}
+
+	return true;
+}